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The OpenPET is our original idea that realizes the world's first open-type 3D PET scanner for PET-image guided particle therapy such as in situ dose verification and direct tumor tracking. Even with a full-ring geometry, the OpenPET has an open gap between its 2 detector rings through which the treatment beam passes. Following our initial 2008 proposal, we developed a small prototype in 2010 to show...
We are developing the world's first, open-type 3D PET scanner “OpenPET” for PET-image guided particle therapy such as in situ dose verification and direct tumor tracking. Following our first idea of a dual-ring Open PET (DROP), we proposed our second-generation geometry, single-ring OpenPET (SROP), which is more efficient than DROP in terms of manufacturing cost and sensitivity. In this paper, we...
The advanced depth-of-interaction positron emission tomography (PET) detectors have been improved to provide three-dimensionally uniform detector resolution. These detectors allow a geometry that places the detectors very close to imaging subjects, because they can maintain high spatial resolution even in the peripheral region in the field-of-view (FOV) without loss of sensitivity. In this study,...
<?Pub Dtl?>Current clinical PET scanners have a 15–22 cm axial field-of-view (FOV). These scanners image the whole body using six or more bed positions. We designed an axially extendable multiplex cylinder (AEMC) PET scanner to provide high versatility for clinical and research studies using semiconductor photo-sensor based, depth-of-interaction (DOI) detectors. Since silicon-photomultipliers...
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